Submission #384952

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
384952	2021-04-02T18:07:17 Z	timmyfeng	Snowball (JOI21_ho_t2)	C++17	100 / 100	125 ms	12268 KB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, q;
    cin >> n >> q;

    vector<long long> x(n);
    for (auto &i : x) {
        cin >> i;
    }

    long long total = 0;
    vector<long long> left(q + 1), right(q + 1);
    for (int i = 0; i < q; ++i) {
        long long w;
        cin >> w;
        total += w;
        left[i + 1] = max(-total, left[i]);
        right[i + 1] = max(total, right[i]);
    }

    long long prv = left[q];
    for (int i = 1; i < n; ++i) {
        int low = 0, high = q;
        while (low < high) {
            int mid = (low + high + 1) / 2;
            if (left[mid] + right[mid] <= x[i] - x[i - 1]) {
                low = mid;
            } else {
                high = mid - 1;
            }
        }

        if (high == q) {
            cout << prv + right[q] << "\n";
            prv = left[q];
        } else if (left[high] == left[high + 1]) {
            cout << prv + x[i] - x[i - 1] - left[high] << "\n";
            prv = left[high];
        } else {
            cout << prv + right[high] << "\n";
            prv = x[i] - x[i - 1] - right[high];
        }
    }

    cout << prv + right[q] << "\n";
}

Subtask #1

33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	3 ms	492 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	2 ms	492 KB	Output is correct
8	Correct	2 ms	492 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	3 ms	492 KB	Output is correct
16	Correct	3 ms	492 KB	Output is correct
17	Correct	2 ms	492 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct

Subtask #2

67.0 / 67.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	3 ms	492 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	2 ms	492 KB	Output is correct
8	Correct	2 ms	492 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	3 ms	492 KB	Output is correct
16	Correct	3 ms	492 KB	Output is correct
17	Correct	2 ms	492 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	31 ms	5612 KB	Output is correct
21	Correct	30 ms	5356 KB	Output is correct
22	Correct	29 ms	5228 KB	Output is correct
23	Correct	28 ms	5100 KB	Output is correct
24	Correct	34 ms	5484 KB	Output is correct
25	Correct	124 ms	10348 KB	Output is correct
26	Correct	116 ms	10348 KB	Output is correct
27	Correct	118 ms	10092 KB	Output is correct
28	Correct	121 ms	10132 KB	Output is correct
29	Correct	112 ms	9580 KB	Output is correct
30	Correct	107 ms	9068 KB	Output is correct
31	Correct	83 ms	8556 KB	Output is correct
32	Correct	86 ms	8556 KB	Output is correct
33	Correct	12 ms	1388 KB	Output is correct
34	Correct	125 ms	10732 KB	Output is correct
35	Correct	121 ms	10092 KB	Output is correct
36	Correct	119 ms	10348 KB	Output is correct
37	Correct	115 ms	10240 KB	Output is correct
38	Correct	116 ms	9964 KB	Output is correct
39	Correct	122 ms	10220 KB	Output is correct
40	Correct	87 ms	10092 KB	Output is correct
41	Correct	34 ms	6252 KB	Output is correct
42	Correct	70 ms	8556 KB	Output is correct
43	Correct	95 ms	11884 KB	Output is correct
44	Correct	36 ms	6148 KB	Output is correct
45	Correct	83 ms	10092 KB	Output is correct
46	Correct	98 ms	12012 KB	Output is correct
47	Correct	107 ms	12268 KB	Output is correct
48	Correct	99 ms	12268 KB	Output is correct